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Finding the Fourth Proportional to 56,658.40, 84,914.70 and 34,448.20

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Solution

The fourth proportional to 56,658.40, 84,914.70 and 34,448.20 is: 51,627.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,658.40 : 84,914.70 = 34,448.20 : x
  2. Step 2: Convert to fraction form
    56,658.40/84,914.70 = 34,448.20/x
  3. Step 3: Cross multiply
    56,658.40x = 84,914.70 × 34,448.20
  4. Step 4: Simplify right side
    56,658.40x = 2,925,158,568.54
  5. Step 5: Solve for x
    x = 2,925,158,568.54/56,658.40
  6. Step 6: Final answer
    x = 51,627.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.